Cut the avocado in half, remove the pit, and scoop out the flesh with a spoon, then mash it.
Remove the veins from the shrimp and season with salt and pepper.
Heat olive oil in a pan and cook the shrimp until done.
Toast the whole wheat bread in a toaster.
Spread the mashed avocado on the toasted bread and place the shrimp on top.
Finish with lemon juice, pepper, and herbs as desired.